55732868 has 24 divisors (see below), whose sum is σ = 104441400. Its totient is φ = 25929728.

The previous prime is 55732861. The next prime is 55732877. The reversal of 55732868 is 86823755.

It can be written as a sum of positive squares in 4 ways, for example, as 1827904 + 53904964 = 1352^2 + 7342^2 .

It is not an unprimeable number, because it can be changed into a prime (55732861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 10656.

It is an arithmetic number, because the mean of its divisors is an integer number (4351725).

Almost surely, 2^55732868 is an apocalyptic number.

It is an amenable number.

55732868 is a deficient number, since it is larger than the sum of its proper divisors (48708532).

55732868 is a wasteful number, since it uses less digits than its factorization.

55732868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319 (or 9317 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55732868 is about 7465.4449298083. Note that the first 3 decimals coincide. The cubic root of 55732868 is about 381.9769272360.

The spelling of 55732868 in words is "fifty-five million, seven hundred thirty-two thousand, eight hundred sixty-eight".